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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/10/11 06:40:27 UTC
[GitHub] [doris] hf200012 opened a new pull request, #13280: [typo](docs)Modification instructions and examples for adding schema change key columns
hf200012 opened a new pull request, #13280:
URL: https://github.com/apache/doris/pull/13280
Modification instructions and examples for adding schema change key columns
# Proposed changes
Issue Number: close #xxx
## Problem summary
Describe your changes.
## Checklist(Required)
1. Does it affect the original behavior:
- [ ] Yes
- [ ] No
- [ ] I don't know
2. Has unit tests been added:
- [ ] Yes
- [ ] No
- [ ] No Need
3. Has document been added or modified:
- [ ] Yes
- [ ] No
- [ ] No Need
4. Does it need to update dependencies:
- [ ] Yes
- [ ] No
5. Are there any changes that cannot be rolled back:
- [ ] Yes (If Yes, please explain WHY)
- [ ] No
## Further comments
If this is a relatively large or complex change, kick off the discussion at [dev@doris.apache.org](mailto:dev@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc...
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[GitHub] [doris] chenlinzhong commented on pull request #13280: [typo](docs)Modification instructions and examples for adding schema change key columns
Posted by GitBox <gi...@apache.org>.
chenlinzhong commented on PR #13280:
URL: https://github.com/apache/doris/pull/13280#issuecomment-1274163179
I suggest adding the command "show alter table column" , so that user can view the progress
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[GitHub] [doris] morningman commented on a diff in pull request #13280: [typo](docs)Modification instructions and examples for adding schema change key columns
Posted by GitBox <gi...@apache.org>.
morningman commented on code in PR #13280:
URL: https://github.com/apache/doris/pull/13280#discussion_r991874787
##########
docs/zh-CN/docs/advanced/alter-table/schema-change.md:
##########
@@ -181,6 +181,42 @@ ADD COLUMN k5 INT default "1" to rollup2;
同时，不允许向 Rollup 中加入 Base 表已经存在的列。如果用户需要这样做，可以重新建立一个包含新增列的 Rollup，之后再删除原 Rollup。
+### 修改 Key 列
+
+修改表的 Key 列是通过 `key` 关键字完成，下面我们通过一个例子来看。
Review Comment:
这个用法只针对 duplicate key 表的key列，即排序列的修改。其他data model 的表不需要这个写法。
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[GitHub] [doris] hf200012 commented on pull request #13280: [typo](docs)Modification instructions and examples for adding schema change key columns
Posted by GitBox <gi...@apache.org>.
hf200012 commented on PR #13280:
URL: https://github.com/apache/doris/pull/13280#issuecomment-1274225482
> I suggest adding the command "show alter table column" , so that user can view the progress
ok
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[GitHub] [doris] yiguolei merged pull request #13280: [typo](docs)Modification instructions and examples for adding schema change key columns
Posted by GitBox <gi...@apache.org>.
yiguolei merged PR #13280:
URL: https://github.com/apache/doris/pull/13280
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[GitHub] [doris] hf200012 commented on a diff in pull request #13280: [typo](docs)Modification instructions and examples for adding schema change key columns
Posted by GitBox <gi...@apache.org>.
hf200012 commented on code in PR #13280:
URL: https://github.com/apache/doris/pull/13280#discussion_r991884646
##########
docs/zh-CN/docs/advanced/alter-table/schema-change.md:
##########
@@ -181,6 +181,42 @@ ADD COLUMN k5 INT default "1" to rollup2;
同时，不允许向 Rollup 中加入 Base 表已经存在的列。如果用户需要这样做，可以重新建立一个包含新增列的 Rollup，之后再删除原 Rollup。
+### 修改 Key 列
+
+修改表的 Key 列是通过 `key` 关键字完成，下面我们通过一个例子来看。
Review Comment:
solve
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